<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Lunar
{
	var $MIN_YEAR = 1891;
	var $MAX_YEAR = 2100;
	var $lunarInfo = array(
   array(0,2,9,21936),array(6,1,30,9656),array(0,2,17,9584),array(0,2,6,21168),array(5,1,26,43344),array(0,2,13,59728),
   array(0,2,2,27296),array(3,1,22,44368),array(0,2,10,43856),array(8,1,30,19304),array(0,2,19,19168),array(0,2,8,42352),
   array(5,1,29,21096),array(0,2,16,53856),array(0,2,4,55632),array(4,1,25,27304),array(0,2,13,22176),array(0,2,2,39632),
   array(2,1,22,19176),array(0,2,10,19168),array(6,1,30,42200),array(0,2,18,42192),array(0,2,6,53840),array(5,1,26,54568),
   array(0,2,14,46400),array(0,2,3,54944),array(2,1,23,38608),array(0,2,11,38320),array(7,2,1,18872),array(0,2,20,18800),
   array(0,2,8,42160),array(5,1,28,45656),array(0,2,16,27216),array(0,2,5,27968),array(4,1,24,44456),array(0,2,13,11104),
   array(0,2,2,38256),array(2,1,23,18808),array(0,2,10,18800),array(6,1,30,25776),array(0,2,17,54432),array(0,2,6,59984),
   array(5,1,26,27976),array(0,2,14,23248),array(0,2,4,11104),array(3,1,24,37744),array(0,2,11,37600),array(7,1,31,51560),
   array(0,2,19,51536),array(0,2,8,54432),array(6,1,27,55888),array(0,2,15,46416),array(0,2,5,22176),array(4,1,25,43736),
   array(0,2,13,9680),array(0,2,2,37584),array(2,1,22,51544),array(0,2,10,43344),array(7,1,29,46248),array(0,2,17,27808),
   array(0,2,6,46416),array(5,1,27,21928),array(0,2,14,19872),array(0,2,3,42416),array(3,1,24,21176),array(0,2,12,21168),
   array(8,1,31,43344),array(0,2,18,59728),array(0,2,8,27296),array(6,1,28,44368),array(0,2,15,43856),array(0,2,5,19296),
   array(4,1,25,42352),array(0,2,13,42352),array(0,2,2,21088),array(3,1,21,59696),array(0,2,9,55632),array(7,1,30,23208),
   array(0,2,17,22176),array(0,2,6,38608),array(5,1,27,19176),array(0,2,15,19152),array(0,2,3,42192),array(4,1,23,53864),
   array(0,2,11,53840),array(8,1,31,54568),array(0,2,18,46400),array(0,2,7,46752),array(6,1,28,38608),array(0,2,16,38320),
   array(0,2,5,18864),array(4,1,25,42168),array(0,2,13,42160),array(10,2,2,45656),array(0,2,20,27216),array(0,2,9,27968),
   array(6,1,29,44448),array(0,2,17,43872),array(0,2,6,38256),array(5,1,27,18808),array(0,2,15,18800),array(0,2,4,25776),
   array(3,1,23,27216),array(0,2,10,59984),array(8,1,31,27432),array(0,2,19,23232),array(0,2,7,43872),array(5,1,28,37736),
   array(0,2,16,37600),array(0,2,5,51552),array(4,1,24,54440),array(0,2,12,54432),array(0,2,1,55888),array(2,1,22,23208),
   array(0,2,9,22176),array(7,1,29,43736),array(0,2,18,9680),array(0,2,7,37584),array(5,1,26,51544),array(0,2,14,43344),
   array(0,2,3,46240),array(4,1,23,46416),array(0,2,10,44368),array(9,1,31,21928),array(0,2,19,19360),array(0,2,8,42416),
   array(6,1,28,21176),array(0,2,16,21168),array(0,2,5,43312),array(4,1,25,29864),array(0,2,12,27296),array(0,2,1,44368),
   array(2,1,22,19880),array(0,2,10,19296),array(6,1,29,42352),array(0,2,17,42208),array(0,2,6,53856),array(5,1,26,59696),
   array(0,2,13,54576),array(0,2,3,23200),array(3,1,23,27472),array(0,2,11,38608),array(11,1,31,19176),array(0,2,19,19152),
   array(0,2,8,42192),array(6,1,28,53848),array(0,2,15,53840),array(0,2,4,54560),array(5,1,24,55968),array(0,2,12,46496),
   array(0,2,1,22224),array(2,1,22,19160),array(0,2,10,18864),array(7,1,30,42168),array(0,2,17,42160),array(0,2,6,43600),
   array(5,1,26,46376),array(0,2,14,27936),array(0,2,2,44448),array(3,1,23,21936),array(0,2,11,37744),array(8,2,1,18808),
   array(0,2,19,18800),array(0,2,8,25776),array(6,1,28,27216),array(0,2,15,59984),array(0,2,4,27424),array(4,1,24,43872),
   array(0,2,12,43744),array(0,2,2,37600),array(3,1,21,51568),array(0,2,9,51552),array(7,1,29,54440),array(0,2,17,54432),
   array(0,2,5,55888),array(5,1,26,23208),array(0,2,14,22176),array(0,2,3,42704),array(4,1,23,21224),array(0,2,11,21200),
   array(8,1,31,43352),array(0,2,19,43344),array(0,2,7,46240),array(6,1,27,46416),array(0,2,15,44368),array(0,2,5,21920),
   array(4,1,24,42448),array(0,2,12,42416),array(0,2,2,21168),array(3,1,22,43320),array(0,2,9,26928),array(7,1,29,29336),
   array(0,2,17,27296),array(0,2,6,44368),array(5,1,26,19880),array(0,2,14,19296),array(0,2,3,42352),array(4,1,24,21104),
   array(0,2,10,53856),array(8,1,30,59696),array(0,2,18,54560),array(0,2,7,55968),array(6,1,27,27472),array(0,2,15,22224),
   array(0,2,5,19168),array(4,1,25,42216),array(0,2,12,42192),array(0,2,1,53584),array(2,1,21,55592),array(0,2,9,54560),
);
  	/**
   * 将阳历转换为阴历
   * @param year 公历-年
   * @param month 公历-月
   * @param date 公历-日
   */
  function convertSolarToLunar($year,$month,$date)
  {
  //debugger;
  $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
  if($year==$this->MIN_YEAR&&$month<=2&&$date<=9) return array(1891,'正月','初一','辛卯',1,1,'兔');
  return $this->getLunarByBetween($year,$this->getDaysBetweenSolar($year,$month,$date,$yearData[1],$yearData[2]));
   }
   function convertSolarMonthToLunar($year,$month)
   {
  $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
  if($year==$this->MIN_YEAR&&$month<=2&&$date<=9) return array(1891,'正月','初一','辛卯',1,1,'兔');
  $month_days_ary = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
  $dd = $month_days_ary[$month];
  if($this->isLeapYear($year) && $month == 2) $dd++;
  $lunar_ary = array();
  for ($i = 1; $i < $dd; $i++)
  {
     $array = $this->getLunarByBetween($year,$this->getDaysBetweenSolar($year, $month, $i, $yearData[1], $yearData[2]));
     $array[] = $year . '-' . $month . '-' . $i;
     $lunar_ary[$i] = $array;
  }
  return $lunar_ary;
   }
   /**
   * 将阴历转换为阳历
   * @param year 阴历-年
   * @param month 阴历-月，闰月处理：例如如果当年闰五月，那么第二个五月就传六月，相当于阴历有13个月，只是有的时候第13个月的天数为0
   * @param date 阴历-日
   */
   function convertLunarToSolar($year,$month,$date)
   {
  $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
  $between = $this->getDaysBetweenLunar($year,$month,$date);
  $res = mktime(0,0,0,$yearData[1],$yearData[2],$year);
  $res = date('Y-m-d', $res+$between*24*60*60);
  $day = explode('-', $res);
  $year = $day[0];
  $month= $day[1];
  $day = $day[2];
  return array($year, $month, $day);
   }
   /**
   * 判断是否是闰年
   * @param year
   */
   function isLeapYear($year)
   {
  return (($year%4==0 && $year%100 !=0) || ($year%400==0));
   }
   /**
   * 获取干支纪年
   * @param year
   */
   function getLunarYearName($year)
   {
  $sky = array('庚','辛','壬','癸','甲','乙','丙','丁','戊','己');
  $earth = array('申','酉','戌','亥','子','丑','寅','卯','辰','巳','午','未');
  $year = $year.'';
  return $sky[$year{3}].$earth[$year%12];
   }
   /**
   * 根据阴历年获取生肖
   * @param year 阴历年
   */
   function getYearZodiac($year)
   {
  $zodiac = array('猴','鸡','狗','猪','鼠','牛','虎','兔','龙','蛇','马','羊');
  return $zodiac[$year%12];
   }
   /**
   * 获取阳历月份的天数
   * @param year 阳历-年
   * @param month 阳历-月
   */
   function getSolarMonthDays($year,$month)
   {
  $monthHash = array('1'=>31,'2'=>$this->isLeapYear($year)?29:28,'3'=>31,'4'=>30,'5'=>31,'6'=>30,'7'=>31,'8'=>31,'9'=>30,'10'=>31,'11'=>30,'12'=>31);
  return $monthHash["$month"];
   }
   /**
   * 获取阴历月份的天数
   * @param year 阴历-年
   * @param month 阴历-月，从一月开始
   */
   function getLunarMonthDays($year,$month)
   {
  $monthData = $this->getLunarMonths($year);
  return $monthData[$month-1];
   }
   /**
   * 获取阴历每月的天数的数组
   * @param year
   */
   function getLunarMonths($year)
   {
  $yearData = $this->lunarInfo[$year - $this->MIN_YEAR];
  $leapMonth = $yearData[0];
  $bit = decbin($yearData[3]);
  for ($i = 0; $i < strlen($bit);$i ++) $bitArray[$i] = substr($bit, $i, 1);
  for($k=0,$klen=16-count($bitArray);$k<$klen;$k++) array_unshift($bitArray, '0');
  $bitArray = array_slice($bitArray,0,($leapMonth==0?12:13));
  for($i=0; $i<count($bitArray); $i++) $bitArray[$i] = $bitArray[$i] + 29;
  return $bitArray;
   }
   /**
   * 获取农历每年的天数
   * @param year 农历年份
   */
   function getLunarYearDays($year)
   {
  $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
  $monthArray = $this->getLunarYearMonths($year);
  $len = count($monthArray);
  return ($monthArray[$len-1]==0?$monthArray[$len-2]:$monthArray[$len-1]);
   }
   function getLunarYearMonths($year)
   {
  //debugger;
  $monthData = $this->getLunarMonths($year);
  $res=array();
  $temp=0;
  $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
  $len = ($yearData[0]==0?12:13);
  for($i=0;$i<$len;$i++)
  {
     $temp=0;
     for($j=0;$j<=$i;$j++) $temp+=$monthData[$j];
     array_push($res, $temp);
  }
  return $res;
   }
   /**
   * 获取闰月
   * @param year 阴历年份
   */
   function getLeapMonth($year)
   {
  $yearData = $this->lunarInfo[$year-$this->MIN_YEAR];
  return $yearData[0];
   }
   /**
   * 计算阴历日期与正月初一相隔的天数
   * @param year
   * @param month
   * @param date
   */
   function getDaysBetweenLunar($year,$month,$date)
   {
  $yearMonth = $this->getLunarMonths($year);
  $res=0;
  for($i=1;$i<$month;$i++) $res +=$yearMonth[$i-1];
  $res+=$date-1;
  return $res;
   }
   /**
   * 计算2个阳历日期之间的天数
   * @param year 阳历年
   * @param cmonth
   * @param cdate
   * @param dmonth 阴历正月对应的阳历月份
   * @param ddate 阴历初一对应的阳历天数
   */
   function getDaysBetweenSolar($year,$cmonth,$cdate,$dmonth,$ddate)
   {
  $a = mktime(0,0,0,$cmonth,$cdate,$year);
  $b = mktime(0,0,0,$dmonth,$ddate,$year);
  return ceil(($a-$b)/24/3600);
   }
   /**
   * 根据距离正月初一的天数计算阴历日期
   * @param year 阳历年
   * @param between 天数
   */
   function getLunarByBetween($year,$between)
   {
  //debugger;
  $lunarArray = array();
  $yearMonth=array();
  $t=0;
  $e=0;
  $leapMonth=0;
  $m='';
  if($between==0)
  {
     array_push($lunarArray, $year,'正月','初一');
     $t = 1;
     $e = 1;
  }
  else
  {
     $year = $between>0? $year : ($year-1);
     $yearMonth = $this->getLunarYearMonths($year);
     $leapMonth = $this->getLeapMonth($year);
     $between = $between>0?$between : ($this->getLunarYearDays($year)+$between);
     for($i=0;$i<13;$i++)
     {
    if($between==$yearMonth[$i])
    {
       $t=$i+2;
       $e=1;
       break;
    }else if($between<$yearMonth[$i])
    {
       $t=$i+1;
       $e=$between-(empty($yearMonth[$i-1])?0:$yearMonth[$i-1])+1;
       break;
    }
     }
     $m = ($leapMonth!=0&&$t==$leapMonth+1)?('闰'.$this->getCapitalNum($t- 1,true)):$this->getCapitalNum(($leapMonth!=0&&$leapMonth+1<$t?($t-1):$t),true);
     array_push($lunarArray,$year,$m,$this->getCapitalNum($e,false));
  }
  array_push($lunarArray,$this->getLunarYearName($year));// 天干地支
  array_push($lunarArray,$t,$e);
  array_push($lunarArray,$this->getYearZodiac($year));// 12生肖
  array_push($lunarArray,$leapMonth);// 闰几月
  return $lunarArray;
   }
   /**
   * 获取数字的阴历叫法
   * @param num 数字
   * @param isMonth 是否是月份的数字
   */
   function getCapitalNum($num,$isMonth)
   {
  $isMonth = $isMonth || false;
  $dateHash=array('0'=>'','1'=>'一','2'=>'二','3'=>'三','4'=>'四','5'=>'五','6'=>'六','7'=>'七','8'=>'八','9'=>'九','10'=>'十 ');
  $monthHash=array('0'=>'','1'=>'正月','2'=>'二月','3'=>'三月','4'=>'四月','5'=>'五月','6'=>'六月','7'=>'七月','8'=>'八月','9'=>'九月','10'=>'十月','11'=>'冬月','12'=>'腊月');
  $res='';
  if($isMonth) $res = $monthHash[$num];
  else
  {
     if($num<=10) $res = '初'.$dateHash[$num];
     else if($num>10&&$num<20) $res = '十'.$dateHash[$num-10];
     else if($num==20) $res = "二十";
     else if($num>20&&$num<30) $res = "廿".$dateHash[$num-20];
     else if($num==30) $res = "三十";
  }
  return $res;
   }

  public function getNowJieQi()
  {
    $jieqi = $this->getJieQi(date('Y'),date('m'),date('d'));
    return $jieqi['name1'];
  }
   /*
    * 节气通用算法
    */
   function getJieQi($_year,$month,$day)
   {
  $year = substr($_year,-2)+0;
  $coefficient = array(
     array(5.4055,2019,-1),//小寒
     array(20.12,2082,1),//大寒
     array(3.87),//立春
     array(18.74,2026,-1),//雨水
     array(5.63),//惊蛰
     array(20.646,2084,1),//春分
     array(4.81),//清明
     array(20.1),//谷雨
     array(5.52,1911,1),//立夏
     array(21.04,2008,1),//小满
     array(5.678,1902,1),//芒种
     array(21.37,1928,1),//夏至
     array(7.108,2016,1),//小暑
     array(22.83,1922,1),//大暑
     array(7.5,2002,1),//立秋
     array(23.13),//处暑
     array(7.646,1927,1),//白露
     array(23.042,1942,1),//秋分
     array(8.318),//寒露
     array(23.438,2089,1),//霜降
     array(7.438,2089,1),//立冬
     array(22.36,1978,1),//小雪
     array(7.18,1954,1),//大雪
     array(21.94,2021,-1)//冬至
  );
  $term_name = array(
  "小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨",
  "立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑",
  "白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至");
  $idx1 = (intval($month)-1)*2;
  $_leap_value = floor(($year-1)/4);
  $day1 = floor($year*0.2422+$coefficient[$idx1][0])-$_leap_value;
  if(isset($coefficient[$idx1][1])&&$coefficient[$idx1][1]==$_year) $day1 += $coefficient[$idx1][2];
  $day2 = floor($year*0.2422+$coefficient[$idx1+1][0])-$_leap_value;
  if(isset($coefficient[$idx1+1][1])&&$coefficient[$idx1+1][1]==$_year) $day1 += $coefficient[$idx1+1][2];
  //echo __FILE__.'->'.__LINE__.' $day1='.$day1,',$day2='.$day2.'<br/>'.chr(10);
  $data=array();
  if($day<$day1){
     $data['name1']=$term_name[$idx1-1];
     $data['name2']=$term_name[$idx1-1].'后';
  }else if($day==$day1){
     $data['name1']=$term_name[$idx1];
     $data['name2']=$term_name[$idx1];
  }else if($day>$day1 && $day<$day2){
     $data['name1']=$term_name[$idx1];
     $data['name2']=$term_name[$idx1].'后';
  }else if($day==$day2){
     $data['name1']=$term_name[$idx1+1];
     $data['name2']=$term_name[$idx1+1];
  }else if($day>$day2){
     $data['name1']=$term_name[$idx1+1];
     $data['name2']=$term_name[$idx1+1].'后';
  }
  return $data;
   }
   /*
    * 获取节日：特殊的节日只能修改此函数来计算
    */
   function getFestival($today, $nl_info = false,$config = 1)
   {
  if($config == 1)
  {
     $arr_lunar=array('01-01'=>'春节','01-15'=>'元宵节','02-02'=>'二月二','05-05'=>'端午节','07-07'=>'七夕节','08-15'=>'中秋节','09-09'=>'重阳节','12-08'=>'腊八节','12-23'=>'小年');
     $arr_solar=array('01-01'=>'元旦','02-14'=>'情人节','03-12'=>'植树节','04-01'=>'愚人节','05-01'=>'劳动节','06-01'=>'儿童节','10-01'=>'国庆节','10-31'=>'万圣节','12-24'=>'平安夜','12-25'=>'圣诞节');
  }//需要不同节日的，用不同的$config,然后配置$arr_lunar和$arr_solar
  $festivals = array();
  list($y,$m,$d) = explode('-',$today);
  if(!$nl_info) $nl_info = $this->convertSolarToLunar($y,intval($m),intval($d));
  if($nl_info[7]>0&&$nl_info[7]<$nl_info[4]) $nl_info[4]-=1;
  $md_lunar = substr('0'.$nl_info[4],-2).'-'.substr('0'.$nl_info[5],-2);
  $md_solar=substr_replace($today,'',0,5);
  isset($arr_lunar[$md_lunar])?array_push($festivals, $arr_lunar[$md_lunar]):'';
  isset($arr_solar[$md_solar])?array_push($festivals, $arr_solar[$md_solar]):'';
  $glweek = date("w",strtotime($today));
  if($m==5&&($d>7)&&($d<15)&&($glweek==0))array_push($festivals, "母亲节");
  if($m==6&&($d>14)&&($d<22)&&($glweek==0))array_push($festivals,"父亲节");
  $jieqi = $this->getJieQi($y,$m,$d);
  if($jieqi)array_push($festivals,$jieqi);
  	return implode('/',$festivals);
   }
	/*
    * 获取当前时间属于哪个时辰
    @param int $time 时间戳
    */
   function getTheHour($h){
	  $d=$h;
	  if($d==23 || $d==0){
	     return '子时';
	  }else if($d==1 || $d==2){
	     return '丑时';
	  }else if($d==3 || $d==4){
	     return '寅时';
	  }else if($d==5 || $d==6){
	     return '卯时';
	  }else if($d==7 || $d==8){
	     return '辰时';
	  }else if($d==9 || $d==10){
	     return '巳时';
	  }else if($d==11 || $d==12){
	     return '午时';
	  }else if($d==13 || $d==14){
	     return '未时';
	  }else if($d==15 || $d==16){
	     return '申时';
	  }else if($d==17 || $d==18){
	     return '酉时';
	  }else if($d==19 || $d==20){
	     return '戌时';
	  }else if($d==21 || $d==22){
	     return '亥时';
	  }
   }
   public function getSeason($_year,$month,$day)
   {
   		$season = array(
   			'春季' =>['立春','雨水','惊蛰','春分','清明','谷雨',
   			],
   			'夏季' =>['立夏','小满','芒种','夏至','小暑','大暑',
   			],
   			'秋季' =>['立秋','处暑','白露','秋分','寒露','霜降',
   			],
   			'冬季' =>['立冬','小雪','大雪','冬至','小寒','大寒',
   			],

   		);
   		$jieqi = $this->getJieQi($_year,$month,$day);
   		$jieqi = $jieqi['name1'];
   		foreach ($season as $key => $value) {
   			if(in_array($jieqi, $value)) {
   				return $key;
   			}
   		}
   		return false;

   }
}